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Βιβλία Βιβλία 11 - 20 από 31 για To multiply by 10, 100, 1000, etc., it is necessary only to move the decimal point....
" To multiply by 10, 100, 1000, etc., it is necessary only to move the decimal point in the multiplicand as many places to the right, annexing ciphers, if necessary, as there are ciphers in the multiplier. "
A Complete Arithmetic, Oral and Written - Σελίδα 208
των Malcolm MacVicar - 1876 - 394 σελίδες
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A Grammar School Arithmetic

George Albert Wentworth - 1892 - 330 σελίδες
...is diminished ten-fold. Hence, To multiply a decimal by 10, 100, 1000, etc., we have only to ïnove the decimal point in the multiplicand as many places to the right, annexing zeros if necessary, as there are zeros in the multiplier. To divide a decimal by 10, 100,...

A Business Arithmetic

1893
...needed to obtain the required number. Any decimal may be multiplied by 10, 100, 1000, etc., by removing the decimal point in the multiplicand as many places to the right as there are ciphers in the multiplier. 222. Multiply 1, .75 by .5. 2. .17 by .8. 3. .62 by .12. 4, .142 by .14....

A Practical Arithmetic

George Albert Wentworth - 1896 - 383 σελίδες
...as multiplying the number by 0.01, and so on. Hence, 97. To multiply a decimal by oj, o.oj, o.ooj, etc., Move the decimal point in the multiplicand as many places to the left, prefixing seros if necessary, as there are decimal places in the multiplier. 98. 1. Multiply...

A Practical Arithmetic

George Albert Wentworth - 1897 - 413 σελίδες
...as multiplying the number by 0.01, and so on. Hence, 97. To multiply a decimal by oi, o.oi, o.ooi, etc., Move the decimal point in the multiplicand as many places to the left, prefixing zeros if necessary, as there are decimal places in the multiplier. 98. 1. Multiply...

An Advanced Arithmetic

George Albert Wentworth - 1898
...the right multiplies the number by 100, and so on. Hence, 63. To Multiply a Number by 10, 100, 1000, etc., Move the decimal point in the multiplicand as many places to the right, annexing zeros if necessary, as there are zeros in the multiplier. Again, if in 79.253 we move the...

An Advanced Arithmetic for High Schools, Normal Schools, and Academies

George Albert Wentworth - 1898 - 400 σελίδες
...the right multiplies the number by 100, and so on. Hence, 63. To Multiply a Number by 10, 100, 1000, etc., Move the decimal point in the multiplicand as many places to the right, annexing zeros if necessary, as there are zeros in the multiplier. Again, if in 79.253 we move the...

An Advanced Arithmetic: For High Schools, Normal Schools and Academies

George Albert Wentworth - 1898 - 400 σελίδες
...effect as multiplying the number by 0.01, and so on. Hence, 64. To Multiply a Number by oi, o.oi, o.ooi, etc., Move the decimal point in the multiplicand as many places to the left, prefixing zeros if necessary, as there are decimal places in the multiplier. 65. Since multiplication,...

A Textbook on Sheet-metal Pattern Drafting, Τόμος 1

1901
...DECIMALS. I8. When a number is multiplied by 10, 100, 1,000, etc., the product is found by simply moving the decimal point in the multiplicand as many places to the right as there are ciphers in the multiplier, annexing ciphers to the multiplicand if necessary. Thus, 10X3.1410 = 31.416...

The Arithmetic Help for Pupils, Teachers, Business Men

Alvord D. Robinson - 1902 - 515 σελίδες
...3000 = 8100.0. He will soon discover that — To multiply a number by any multiple of 10, 1. Kemove the decimal point in the multiplicand as many places to the right as there are O's in the multiplier. 2. Multiply the result by the number to the left of the O's in the multiplier....

The Model Elementary Arithmetic: Oral and Written, Μέρος 2

Edward Gideon - 1902 - 162 σελίδες
...both factors, supply the deficiency by prefixing ciphers. 2. To multiply by 10,100, 1000, etc., remove the decimal point in the multiplicand as many places to the right as there are ciphers in the multiplier. Problems. (1) (2) (3) (4) (5) 78.54 29.384 5.0821 $80.565 18.7 625 feet....




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